¿Qué significa ser programador? (What's It Really Like to Be a Coder?)

The Underground Railroad was the massive effort by slaves and free people to secretly bring thousands of blacks to freedom in the North during the 19th century. This thought-provoking book will capture readers’ imaginations and fill them with awe for the brave “conductors” and “passengers” on the Railroad. They’ll learn about the many safe havens, called “depots,” that housed fugitives and the secret passages within them that hid slaves from their pursuers. Information about the American Civil War and the Fugitive Slave Act, biographies of figures vital to the Underground Railroad,...

Vivid photographs and bilingual text explain each food group, revealing how each group is important for good health, how to make healthy choices, and fun things children can do to stay in shape.

Book Features: • Ages 4-8, Grades PreK-2 • 16 pages, 8 inches x 8 inches • Simple, patterned Spanish text with full-color pictures • Includes comprehension questions, writing prompts, and high frequency words • Graphic organizers and photo glossary included Jump Into Learning: In Listos para las Ciencias: Puedo Saltar, preschoolers—second graders learn about the different types of animals that can jump, just like you! Science Made Fun: How high can you jump? These animals can jump, too! Young readers learn about some of their favorite animals that can jump, hop, and leap! Build...

El ser humano no está estructuralmente preparado para desenvolverse de forma óptima en el medio acuático, sin embargo, tiene la capacidad de aprender para mejorar su competencia. En este libro se presentan los condicionantes de la estaticidad y del movimiento del cuerpo en el medio acuático, distinguiendo los elementos que son propios del agua de los que son propios del cuerpo, para determinar qué factores son los que se pueden mejorar para optimizar el dominio de este medio. Además, como complemento fundamental, se integran en este proceso las áreas del control motor, la...